Finding the Fourth Proportional to 96,777,123.81, 145,211,085.55 and 48,258,761.18
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Solution
The fourth proportional to 96,777,123.81, 145,211,085.55 and 48,258,761.18 is: 72,410,780.79
Step by Step Solution
- Step 1: Write the proportion equation
96,777,123.81 : 145,211,085.55 = 48,258,761.18 : x - Step 2: Convert to fraction form
96,777,123.81/145,211,085.55 = 48,258,761.18/x - Step 3: Cross multiply
96,777,123.81x = 145,211,085.55 × 48,258,761.18 - Step 4: Simplify right side
96,777,123.81x = 7,007,707,097,579,784 - Step 5: Solve for x
x = 7,007,707,097,579,784/96,777,123.81 - Step 6: Final answer
x = 72,410,780.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.